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      <title>你项目一般是怎么自测的 - 交互式测验</title>
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        .option-item:hover {
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        .quiz-footer {
          padding: 20px 30px;
          display: flex;
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          align-items: center;
          min-height: 65px; /* Reserve space */
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        .nav-btn {
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          color: white;
          border: none;
          border-radius: 8px;
          padding: 10px 20px;
          font-size: 16px;
          font-weight: 500;
          cursor: pointer;
          transition: background-color 0.2s ease, transform 0.2s ease;
          box-shadow: 0 4px 12px rgba(0,0,0,0.15);
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        #next-btn {
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        .nav-btn:hover {
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        .result-box {
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      </style>
    </head>
    <body>
      <div class="main-wrapper">
          <div class="quiz-container">
            <div class="quiz-header">
              <h1>你项目一般是怎么自测的 - 交互式测验</h1>
              <p>检验你对文档内容的理解程度</p>
            </div>
            <div id="quiz-content">
                <div class="quiz-body">
                    <div class="progress-bar">
                        <div id="progress-indicator"></div>
                    </div>
                    <div id="question-container">
                      <p id="question-text"></p>
                      <ul class="options-list" id="options-list"></ul>
                    </div>
                    <div id="result-container"></div>
                    <div id="hint-container" class="hint-container"></div>
                </div>
                <div class="quiz-footer" id="quiz-footer">
                  <button id="prev-btn" class="nav-btn">上一题</button>
                  <button id="hint-btn" class="nav-btn" style="background-color: #ffc107; color: #333; box-shadow: 0 4px 12px rgba(255,193,7,0.3);">提示</button>
                  <button id="next-btn" class="nav-btn">下一题</button>
                </div>
            </div>
          </div>
      </div>

      <script>
        const quizData = [
  {
    "question": "根据文档，单元测试（Unit Testing）的核心目标是什么？",
    "options": [
      "验证系统中多个组件或模块之间的交互是否正确。",
      "模拟用户行为，验证从用户界面到后端的完整业务流程。",
      "验证软件系统中最小的可测试单元（如函数或类）是否按预期工作。",
      "评估系统在不同负载条件下的响应时间和稳定性。"
    ],
    "correctAnswerIndex": 2,
    "explanation": "单元测试专注于软件中最小的、可独立验证的部分，例如一个函数或一个类。其目的是确保这“一小块”代码在隔离的环境下能够正确运行，这也是构建可靠软件的基础。其他选项描述的是集成测试、端到端测试或性能测试。",
    "source": "文档中「1. 单元测试」-「1.1 定义」部分",
    "hint": "这种测试的目标是验证“最小可测试单元”。"
  },
  {
    "question": "当开发团队需要验证订单服务和库存服务这两个模块能否正确地协同工作时，最适合采用哪种测试类型？",
    "options": [
      "单元测试 (Unit Testing)",
      "集成测试 (Integration Testing)",
      "端到端测试 (E2E Testing)",
      "安全测试 (Security Testing)"
    ],
    "correctAnswerIndex": 1,
    "explanation": "集成测试专门用于验证系统中多个组件或模块之间的交互。在这个场景中，我们需要确保订单服务和库存服务之间的数据和控制流是正确的，这正是集成测试的典型应用场景。",
    "source": "文档中「2. 集成测试」-「2.1 定义」部分",
    "hint": "这种测试关注于“多个组件或模块之间的交互”。"
  },
  {
    "question": "在文档中，Selenium 和 Cypress 这类工具主要用于实现哪种测试？",
    "options": [
      "性能测试，用于模拟大量并发用户。",
      "单元测试，用于模拟对象的依赖关系。",
      "端到端测试，用于自动化Web应用程序的浏览器操作。",
      "测试覆盖率分析，用于度量代码被测试的程度。"
    ],
    "correctAnswerIndex": 2,
    "explanation": "Selenium和Cypress是主流的浏览器自动化框架，它们能够模拟真实用户在浏览器上的操作（如点击、输入、导航），从而验证整个应用程序从前端到后端的完整功能流程。这正是端到端测试的核心实践。",
    "source": "文档中「3. 端到端测试」-「3.2 工具和框架」部分",
    "hint": "这类工具常被用来“自动化Web应用程序的浏览器测试”。"
  },
  {
    "question": "当一个新功能上线或一个Bug被修复后，为了确保这些变更没有意外地破坏系统中其他原有功能，应该执行哪种测试？",
    "options": [
      "回归测试 (Regression Testing)",
      "烟雾测试 (Smoke Testing)",
      "用户验收测试 (UAT)",
      "性能测试 (Performance Testing)"
    ],
    "correctAnswerIndex": 0,
    "explanation": "回归测试的核心目的就是“回归”检查，即验证在代码发生变更后，系统原有的功能是否仍然能够正常工作。这是一种风险规避措施，常被集成到持续集成（CI）流程中，以确保软件质量的稳定性。",
    "source": "文档中「6. 回归测试」-「6.1 定义」部分",
    "hint": "这种测试的目的是验证系统在“功能更改或修复后是否仍能正常工作”。"
  },
  {
    "question": "根据文档，JMeter 和 Gatling 主要用于解决什么问题？",
    "options": [
      "管理测试用例和跟踪测试进度。",
      "评估系统在不同负载下的响应时间、吞吐量和稳定性。",
      "扫描Web应用以发现常见的安全漏洞，如SQL注入。",
      "分析测试用例对代码的覆盖范围。"
    ],
    "correctAnswerIndex": 1,
    "explanation": "JMeter和Gatling是专业的负载和性能测试工具。它们通过模拟大量并发用户来向系统施加压力，从而帮助我们评估系统在高负载下的性能表现，识别出性能瓶颈。",
    "source": "文档中「4. 性能测试」-「4.2 工具和框架」部分",
    "hint": "这类工具被用于“负载测试和性能测试，支持模拟大量并发用户”。"
  },
  {
    "question": "哪种测试通常在新版本发布前进行，旨在快速检查系统的核心、主要功能是否能正常工作，以决定该版本是否值得进行更全面的测试？",
    "options": [
      "端到端测试 (E2E Testing)",
      "回归测试 (Regression Testing)",
      "烟雾测试 (Smoke Testing)",
      "单元测试 (Unit Testing)"
    ],
    "correctAnswerIndex": 2,
    "explanation": "烟雾测试（或称构建验证测试）是一种基础、宽泛的测试，它不关心细节，只关心系统的“主干”功能是否通畅。如果烟雾测试失败，通常意味着该构建版本有严重问题，应直接打回，无需投入更多测试资源。",
    "source": "文档中「7. 烟雾测试」-「7.1 定义」部分",
    "hint": "这种测试的目标是“检查系统的主要功能是否按预期工作”，通常在新版本发布前进行。"
  },
  {
    "question": "使用 JaCoCo 这类工具可以达成的目标是？",
    "options": [
      "自动化执行端到端的用户场景。",
      "管理和维护测试用例的生命周期。",
      "度量测试用例覆盖了多少业务代码，以识别测试盲区。",
      "验证系统是否符合最终用户的实际业务需求。"
    ],
    "correctAnswerIndex": 2,
    "explanation": "JaCoCo 是一个流行的Java代码覆盖率工具。它通过在测试运行时监控代码的执行情况，生成报告来显示哪些代码行、分支和方法被测试用例执行过，从而帮助团队量化测试的充分性并发现未被测试到的代码区域。",
    "source": "文档中「9. 测试覆盖率」-「9.2 工具和框架」部分",
    "hint": "这种工具用于“Java代码的测试覆盖率分析”。"
  },
  {
    "question": "用户验收测试 (UAT) 的独特之处在于它主要关注什么？",
    "options": [
      "代码层面的逻辑正确性。",
      "系统是否能抵御常见的网络攻击。",
      "系统是否满足真实用户的需求和业务预期。",
      "模块之间接口调用的稳定性和正确性。"
    ],
    "correctAnswerIndex": 2,
    "explanation": "用户验收测试（UAT）是交付前的最后一道防线。它的核心价值在于，测试的执行者是“最终用户”，测试的标准是“业务需求”而非技术规范。它确保了我们开发出的产品是用户真正想要的、能用的。",
    "source": "文档中「8. 用户验收测试」-「8.1 定义」部分",
    "hint": "这种测试的目的是“验证系统是否符合用户需求和业务需求”。"
  }
];
        console.log("Quiz Data:", JSON.parse(JSON.stringify(quizData))); // 添加这行用于调试，以可展开的JSON格式输出
        
        let currentQuestionIndex = 0;
        let score = 0;
        // 存储每个问题的回答状态
        const userAnswers = new Array(quizData.length).fill(null); 

        const questionTextEl = document.getElementById('question-text');
        const optionsListEl = document.getElementById('options-list');
        const resultContainerEl = document.getElementById('result-container');
        const quizContentEl = document.getElementById('quiz-content');
        const progressIndicatorEl = document.getElementById('progress-indicator');
        const prevBtn = document.getElementById('prev-btn');
        const nextBtn = document.getElementById('next-btn');
        const hintBtn = document.getElementById('hint-btn');
        const hintContainerEl = document.getElementById('hint-container');

        function loadQuestion() {
          resultContainerEl.innerHTML = '';
          optionsListEl.innerHTML = '';
          hintContainerEl.style.display = 'none'; // 隐藏提示
          
          if (currentQuestionIndex >= quizData.length) {
            showFinalScore();
            return;
          }

          updateProgress();

          const currentQuestion = quizData[currentQuestionIndex];
          questionTextEl.textContent = `(${currentQuestionIndex + 1}/${quizData.length}) ${currentQuestion.question}`;
          
          currentQuestion.options.forEach((optionText, index) => {
            const li = document.createElement('li');
            li.className = 'option-item';
            li.textContent = optionText;
            li.dataset.index = index; // Store index in a data attribute
            // 如果这道题已经回答过，恢复状态
            if (userAnswers[currentQuestionIndex] !== null) {
                if (index === userAnswers[currentQuestionIndex]) {
                    li.classList.add('selected');
                }
            }
            optionsListEl.appendChild(li);
          });

          // 如果已经回答过，直接显示结果
          if (userAnswers[currentQuestionIndex] !== null) {
              const isCorrect = userAnswers[currentQuestionIndex] === currentQuestion.correctAnswerIndex;
              showResult(isCorrect, currentQuestion);
          }
          
          updateNavigationButtons();
          updateProgress();
        }

        function selectOption(optionIndex) {
            userAnswers[currentQuestionIndex] = optionIndex;
            const currentQuestion = quizData[currentQuestionIndex];
            const isCorrect = optionIndex === currentQuestion.correctAnswerIndex;

            // 重新计算分数
            score = userAnswers.reduce((acc, answer, index) => {
                return answer === quizData[index].correctAnswerIndex ? acc + 1 : acc;
            }, 0);

            showResult(isCorrect, currentQuestion);
            updateNavigationButtons();
        }
        
        function updateProgress() {
            const answeredQuestions = userAnswers.filter(answer => answer !== null).length;
            const progressPercentage = (answeredQuestions / quizData.length) * 100;
            progressIndicatorEl.style.width = `${progressPercentage}%`;
        }
        
        function updateNavigationButtons() {
            prevBtn.style.display = 'block';
            nextBtn.style.display = 'block';
            hintBtn.style.display = 'block'; // 显示提示按钮

            prevBtn.disabled = currentQuestionIndex === 0;
            nextBtn.disabled = false; // 最后一题时，下一题按钮不禁用，而是用于显示报告
            nextBtn.textContent = (currentQuestionIndex === quizData.length - 1) ? '查看报告' : '下一题';
            
            // 如果当前问题没有提示，则禁用提示按钮并隐藏提示内容
            if (!quizData[currentQuestionIndex].hint) {
                hintBtn.disabled = true;
                hintContainerEl.style.display = 'none';
                hintContainerEl.textContent = ''; // 清除旧的提示内容
            } else {
                hintBtn.disabled = false;
            }
        }

        function showResult(isCorrect, questionData) {
            resultContainerEl.innerHTML = ''; // 清空之前的结果
            const resultBox = document.createElement('div');
            resultBox.className = `result-box ${isCorrect ? 'correct' : 'incorrect'}`;
            
            let html = `<h3>${isCorrect ? '回答正确！' : '回答错误'}</h3>`;
            if (!isCorrect) {
                html += `<p><strong>正确答案是：</strong> ${questionData.options[questionData.correctAnswerIndex]}</p>`;
            }
            html += `<div class="explanation-text">${questionData.explanation}</div>`;
            html += `<div class="source-text">来源: ${questionData.source}</div>`;
            
            resultBox.innerHTML = html;
            resultContainerEl.appendChild(resultBox);

            // 禁用所有选项的点击事件，并高亮正确/错误答案
            Array.from(optionsListEl.children).forEach((child, index) => {
                child.style.pointerEvents = 'none';
                // 高亮正确答案
                if (index === questionData.correctAnswerIndex) {
                    child.classList.add('correct'); // 需要添加CSS样式
                    child.style.backgroundColor = '#d4edda';
                    child.style.borderColor = '#c3e6cb';
                }
                // 如果选错了，高亮错误选项
                if (!isCorrect && index === userAnswers[currentQuestionIndex]) {
                    child.classList.add('incorrect'); // 需要添加CSS样式
                    child.style.backgroundColor = '#f8d7da';
                    child.style.borderColor = '#f5c6cb';
                }
            });
        }

        function goToNextQuestion() {
            if (currentQuestionIndex < quizData.length - 1) {
                currentQuestionIndex++;
                loadQuestion();
            } else {
                showFinalScore();
            }
        }

        function goToPreviousQuestion() {
            if (currentQuestionIndex > 0) {
                currentQuestionIndex--;
                loadQuestion();
            }
        }
        
        function showHint() {
            const currentQuestion = quizData[currentQuestionIndex];
            if (currentQuestion.hint) {
                hintContainerEl.textContent = currentQuestion.hint;
                hintContainerEl.style.display = 'block';
            } else {
                hintContainerEl.style.display = 'none';
            }
        }

        function showFinalScore() {
            document.querySelector('.quiz-body').style.display = 'none';
            document.getElementById('quiz-footer').style.display = 'none';

            const correctCount = score;
            const totalQuestions = quizData.length;
            const answeredCount = userAnswers.filter(a => a !== null).length;
            const wrongCount = answeredCount - correctCount;
            const skippedCount = totalQuestions - answeredCount;
            const accuracy = totalQuestions > 0 ? Math.round((correctCount / totalQuestions) * 100) : 0;
            const errorRate = totalQuestions > 0 ? Math.round((wrongCount / totalQuestions) * 100) : 0;

            const finalScoreHtml =
                '<div class="final-score-container">' +
                '<h2>答题报告</h2>' +
                '<div class="score-summary">' +
                '<div class="score-card">' +
                '<h3>得分</h3>' +
                '<p>' + correctCount + ' / ' + totalQuestions + '</p>' +
                '</div>' +
                '<div class="score-card">' +
                '<h3>正确率</h3>' +
                '<p>' + accuracy + '%</p>' +
                '</div>' +
                '<div class="score-card">' +
                '<h3>错误率</h3>' +
                '<p>' + errorRate + '%</p>' +
                '</div>' +
                '<div class="score-card score-details">' +
                '<table>' +
                '<tr><td>正确</td><td>' + correctCount + '</td></tr>' +
                '<tr><td>错误</td><td>' + wrongCount + '</td></tr>' +
                '<tr><td>未答</td><td>' + skippedCount + '</td></tr>' +
                '</table>' +
                '</div>' +
                '</div>' +
                '<div class="report-actions">' +
                '<button id="review-btn">回顾测验</button>' +
                '<button class="primary" onclick="location.reload()">再试一次</button>' +
                '</div>' +
                '</div>';

            let reportEl = document.querySelector('.final-score-container');
            if (reportEl) {
                reportEl.remove();
            }
            quizContentEl.insertAdjacentHTML('beforeend', finalScoreHtml);
            document.getElementById('review-btn').addEventListener('click', reviewQuiz);
        }

        function reviewQuiz() {
            const reportEl = document.querySelector('.final-score-container');
            if (reportEl) {
                reportEl.remove();
            }

            document.querySelector('.quiz-body').style.display = 'block';
            document.getElementById('quiz-footer').style.display = 'flex';
            
            currentQuestionIndex = 0;
            loadQuestion();
            updateNavigationButtons(); // Ensure nav buttons are correctly displayed
        }

        // Event Delegation for options
        optionsListEl.addEventListener('click', (event) => {
            if (event.target && event.target.matches('li.option-item')) {
                // Check if the question has already been answered
                if (userAnswers[currentQuestionIndex] === null) {
                    const selectedIndex = parseInt(event.target.dataset.index, 10);
                    selectOption(selectedIndex);
                }
            }
        });

        prevBtn.addEventListener('click', goToPreviousQuestion);
        nextBtn.addEventListener('click', goToNextQuestion);
        hintBtn.addEventListener('click', showHint);
        
        // 初始加载
        loadQuestion();
      </script>
    </body>
    </html>
  